Campbell 21X Specifikace stáhnout pdf (Strana 10)

Number 4250-2000

Revision 1.0

Date MAY 1996

Page 1 of 7

1.0 PURPOSE AND APPLICABILITY

This technical instruction (TI) describes procedures for servicing and verifying calibration

of Campbell 21X dataloggers. This TI, as referenced in Standard Operating Procedure (SOP)

4250,

Servicing and Calibration of Optical Monitoring Dataloggers

, specifically describes

procedures for:

• Testing datalogger memory functions

• Checking the accuracy of all analog voltage input channels

• Checking the accuracy of the analog output ports

• Checking the accuracy of the pulse input port

• Checking the accuracy of the panel temperature measurement

• Checking the condition of the internal battery

• Replacing the internal battery

• Archiving datalogger servicing records

Campbell 21X dataloggers are primarily used by ARS as the:

• Primary datalogger at NGN-2 nephelometer monitoring sites (Refer to TI 4300-4006,

Nephelometer Data Collection via Campbell Scientific Data Storage Module

(IMPROVE Protocol)

• Primary datalogger for transmissometer calibration (Refer to TI 4200-2100,

Calibration

of Optec LPV-2 Transmissometers (IMPROVE Protocol)

• Primary datalogger for field audit of transmissometers (Refer to SOP 4710,

Transmissometer Field Audit Procedures

2.0 RESPONSIBILITIES

2.1 PROJECT MANAGER

The project manager shall:

• Verify that all Campbell 21X dataloggers are serviced at least annually.

• Verify that calibration checks are performed on all Campbell 21x dataloggers at least

annually.

• Verify that all Campbell 21X dataloggers are operating within factory specifications

prior to being shipped to the field.

• Verify that all Campbell 21X dataloggers that do not operate within factory

specifications are returned to Campbell Scientific for factory servicing and recalibration.

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Campbell 21X Specifikace Strana 10